Inventor
DOUGLAS SCOT A
US26 patents
⚠️ This page may combine multiple inventors who share the name “DOUGLAS SCOT A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DOUGLAS SCOT A
8 patentsUS8818691B2Aug 26, 2014
Exhaust system and method for controlling temperature of exhaust gas in an exhaust system
DOUGLAS SCOT A11 citations82
US8875505B2Nov 4, 2014
Internal combustion engine and method for controlling internal combustion engine speed
DOUGLAS SCOT A2 citations62
US8504280B2Aug 6, 2013
Fuel control diagnostic system and method
DOUGLAS SCOT A4 citations61
US8175781B2May 8, 2012
Torque converter control for variable valve lift powertrain systems
DOUGLAS SCOT A0 citations51
US8146567B2Apr 3, 2012
Two-step valve lifter control systems and methods
DOUGLAS SCOT A0 citations51
US9309821B2Apr 12, 2016
Engine valve lift control systems and methods for reduced fuel consumption
DOUGLAS SCOT A0 citations40
US8868269B2Oct 21, 2014
System and method for increasing operating efficiency of a hybrid vehicle
DOUGLAS SCOT A0 citations40
US9260996B2Feb 16, 2016
Exhaust system and method for controlling an exhaust system
DOUGLAS SCOT A0 citations39
GM GLOBAL TECH OPERATIONS LLC
8 patentsUS10329971B2Jun 25, 2019
Sliding camshaft barrel position sensing
GM GLOBAL TECH OPERATIONS LLC2 citations68
US9488078B2Nov 8, 2016
Valve lift control systems and methods for engine startability
GM GLOBAL TECH OPERATIONS LLC2 citations62
US10301981B2May 28, 2019
Method for retracting a sliding camshaft actuator pin
GM GLOBAL TECH OPERATIONS LLC0 citations52
US10371083B2Aug 6, 2019
Systems and methods for fuel control during cold starts
GM GLOBAL TECH OPERATIONS LLC0 citations51
US9970332B2May 15, 2018
Sliding CAM recovery from short to ground on actuator low side
GM GLOBAL TECH OPERATIONS LLC0 citations51
US9714617B2Jul 25, 2017
System and method for limiting a volumetric efficiency of an engine during engine cranking to reduce emission
GM GLOBAL TECH OPERATIONS LLC0 citations51
US10316777B2Jun 11, 2019
Method for heating a sliding camshaft actuator
GM GLOBAL TECH OPERATIONS LLC0 citations41
US10280847B2May 7, 2019
Method for retracting a partially extended sliding camshaft actuator pin
GM GLOBAL TECH OPERATIONS LLC0 citations41
GM GLOBAL TECH OPERATIONS INC
6 patentsUS7938101B2May 10, 2011
Adaptive control of fuel delivery in direct injection engines
GM GLOBAL TECH OPERATIONS INC21 citations92
US7778766B1Aug 17, 2010
Diagnostic systems and methods using nitrogen oxide sensors
GM GLOBAL TECH OPERATIONS INC36 citations92
US7806106B2Oct 5, 2010
Fuel injector flow correction system for direct injection engines
GM GLOBAL TECH OPERATIONS INC14 citations84
US9145844B2Sep 29, 2015
Fuel control systems and methods for cold starts of an engine
GM GLOBAL TECH OPERATIONS INC0 citations52
US8375922B2Feb 19, 2013
Control of fuel pump by quantifying performance
GM GLOBAL TECH OPERATIONS INC0 citations52
US7742869B2Jun 22, 2010
Late intake valve closing to improve cold startability for spark-ignition direct-injection (SIDI) engines
GM GLOBAL TECH OPERATIONS INC0 citations52